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    <title>EasyML Studio - 零代码机器学习平台</title>
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet">
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                <h1 class="display-4 mb-4">🚀 EasyML Studio</h1>
                <p class="lead">零代码机器学习平台</p>
                <p class="text-muted">让机器学习触手可及，无需编程经验即可构建AI模型</p>
                
                <div class="mt-5">
                    <a href="{{ url_for('upload') }}" class="btn btn-primary btn-lg">
                        📊 开始分析
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                        <h5>📁 上传数据</h5>
                        <p>支持CSV格式</p>
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                        <h5>🤖 训练模型</h5>
                        <p>自动模型训练</p>
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                    <div class="col-md-4">
                        <h5>📈 查看结果</h5>
                        <p>可视化分析</p>
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